This week, the Republicans hold their national convention, followed by the Democratic National Convention next week. After months of debates and grandstanding, both parties’ presidential candidates will be set in stone. That’s just the beginning of the fun, though. Here’s what goes down at these conventions.

When you’re trying to persuade someone in a political argument, it’s hard not to be passionate about what you believe in. New research suggests, however, that swaying someone’s political views comes down to appealing to their personal morals.